If you bought from a managed IT provider or a value-added reseller (VAR), they may have kept records. Call them with your company name and approximate purchase date (2012-2013). Many resellers keep keys for tax purposes for up to 10 years.
For businesses maintaining archives of QuickBooks Pro 2013, the license and product numbers are not merely software keys; they are legal evidence of asset ownership. quickbooks pro 2013 license and product number
4.1 The Audit Trail In the event of a software audit (such as those conducted by the Business Software Alliance), the possession of the installation media is insufficient. The organization must produce the License Number and proof of purchase. Because Intuit has moved to a subscription model, retrieving lost license numbers for 2013 has become administratively difficult. Users are frequently directed to third-party recovery tools or must rely on physical sticker labels remaining on the original packaging. If you bought from a managed IT provider
4.2 The "Virtualization" Problem Modern IT environments often rely on virtual machines (VMs) to preserve legacy software. However, moving a QuickBooks 2013 installation to a VM often triggers a re-activation request. Because the hardware hash has changed, the software views this as a "new computer." Valid license holders may find themselves locked out of their own data due to the inability to re-authenticate a decade-old product key. For businesses maintaining archives of QuickBooks Pro 2013,
If you bought QuickBooks Pro 2013 from a physical store like Staples, Office Depot, or a local computer shop, and you used a loyalty card or credit card: